2.7.18

shikeying

2024-01-11 3b67e947e36133e2a40eb2737b15ea375e157ea0

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
package com.walker.file.fs;
 
import com.walker.file.AbstractFileOperateEngine;
import com.walker.file.DefaultFileInfo;
import com.walker.file.FileInfo;
import com.walker.file.FileOperateException;
import com.walker.file.FileStoreType;
import com.walker.infrastructure.utils.FileCopyUtils;
 
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
 
public abstract class FileSystemOperateEngine extends AbstractFileOperateEngine {
 
    @Override
    protected FileInfo acquireFileInfo(String fileName) {
        return new DefaultFileInfo();
    }
 
    @Override
    protected void executeUpload(InputStream inputStream, FileInfo fileInfo) throws FileOperateException {
        String directory = this.generateSaveFolder(false);
        StringBuilder url = new StringBuilder(directory).append(this.getFileName(fileInfo));
 
        String outputFolder = null;
        String outputFileName = null;
        if(!this.getFileRoot().endsWith("/")){
            outputFileName = this.getFileRoot() + "/" + url.toString();
            outputFolder = this.getFileRoot() + "/" + directory;
        } else {
            outputFileName = this.getFileRoot() + url.toString();
            outputFolder = this.getFileRoot() + directory;
        }
        logger.debug("保存文件名称: " + outputFileName);
        try {
            File outputFolderFile = new File(outputFolder);
            if(!outputFolderFile.exists()){
                outputFolderFile.mkdirs();
            }
            BufferedOutputStream outputStream = new BufferedOutputStream(new FileOutputStream(outputFileName));
            long fileSize = FileCopyUtils.copy(inputStream, outputStream);
            ((DefaultFileInfo)fileInfo).setFileSize(fileSize);
            ((DefaultFileInfo)fileInfo).setUrl(url.toString());
 
        } catch (IOException e) {
            throw new FileOperateException("保存文件到系统磁盘错误:" + e.getMessage() + ", id=" + fileInfo.getId(), e);
        }
    }
 
    @Override
    protected byte[] executeDownload(FileInfo fileInfo) throws FileOperateException{
        String outputFileName = null;
        if(!this.getFileRoot().endsWith("/")){
            outputFileName = this.getFileRoot() + "/" + fileInfo.getUrl();
        } else {
            outputFileName = this.getFileRoot() + fileInfo.getUrl();
        }
        File outputFile = new File(outputFileName);
        if(!outputFile.exists()){
            throw new FileOperateException("下载文件不存在，fileId=" + fileInfo.getId() + ", url=" + fileInfo.getUrl(), null);
        }
        try {
            BufferedInputStream inputStream = new BufferedInputStream(new FileInputStream(outputFile));
            return FileCopyUtils.copyToByteArray(inputStream);
        } catch (Exception e) {
            throw new FileOperateException("下载文件流出错, error=" + e.getMessage(), e);
        }
    }
 
    @Override
    public FileStoreType getFileStoreType() {
        return FileStoreType.FileSystem;
    }
}